A brief guide to the evidence.
Use a Slinky.
A study finds that motivations vary widely.
Anticipating cutting-edge scientific research before it happens may be key to protecting against bioterrorism.
DARPA is tackling online privacy. But can you trust them?
The president's proposal promises to anonymize data. Experts don't think that will help.
In an 800-page document dump, the U.S. government revealed critical vulnerabilities.
The U.S. government is investing heavily in the creation of sophistcated prosthetic limbs for returning soldiers. Could they someday be used on the battlefield, too?
The use of autonomous boats could lead to more artificial intelligence in modern combat.
Estonia is offering virtual citizenship to millions. They will need real military protection.
New research suggests that it may be possible to identify who's more likely to have negative lasting effects from trauma—and to stop the symptoms before they start.
Building a case with satellite imagery, black boxes and tweets
The Defense Department is already using social media to track your mood.
The U.S. government is spending millions on developing machines that understand moral consequence.
Can high-tech solutions help save Africa's threatened wildlife?
Don't kill us, guys.
Can biometrics establish a link between Moscow and the shadowy gunmen in eastern Ukraine?